# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
try:
    import onnx  # pylint: disable=unused-import
except ImportError:
    onnx = None
    _available = False
else:
    _available = True


def available():
    """
    Check if onnx is installed.

    Returns
    -------
    ret: bool
        True if onnx is installed.
    """
    return _available
